this week, united airlines started changing out the business class on some of those transcontinental flights, putting in flat business class seats. there will be fewer in business class. and, by the way, the question becomes why are they doing this? it's all aut selling a higher per scentage of business class flights. what united has started, we're seeing now with other airlines following. later this month, we'll see the same from delta. later this year, american will follow. and then you have jet blue announcing that it will upgrade its transcontinental service with premium service next year. what do frequent fliers think about all of this? generally speaking, they like it. >> it's great. a lot of times, you have very, very long days. you can get rested up on these flights. >> i think it's nice if you can get the upgrade, you know. but for most people, it's going to be tougher with the airlines consolidating. >> and it will be tougher because there will be fewer seats in business class once these conversions take place. the airline index today hit a six-year high and is up 51% this